diff --git a/modules/darwin/casks.nix b/modules/darwin/casks.nix
index ba566f2..d698655 100644
--- a/modules/darwin/casks.nix
+++ b/modules/darwin/casks.nix
@@ -49,6 +49,7 @@ _:
   "mailmate"
   "spamsieve"
   "libreoffice"
+  "macdown"
 
   # Browsers
   "google-chrome"